メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.201478532495 34.6891462239575, 135.200465624026 34.6896064383671, 135.199696416358 34.6891048370259, 135.199766080958 34.6889826416572, 135.199825373349 34.6889123550138, 135.200681964624 34.6881152065332, 135.200944489946 34.6884333591647, 135.201478532495 34.6891462239575)) ^^http://www.opengis.net/ont/geosparql#wktLiteral